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ولی بزار توی try ببین چجوریه

این کار هم انجام دادم . متاسفانه باز هم نشد .

خیلی عجیبه . لطفا راهنمایی کنید ...

دیباگ کن ببین داده ها رو چی ارسال میکنه و ببین توی cach خطایی رو نمیده

هیچ خطایی رخ نمیده . چک کردم .

یکبار کل کد رو براتون میفرستم لطفا چک کنید :

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.OleDb;
using System.IO;
using System.Drawing.Imaging;

namespace ArasbPishtaz
{
    public partial class frmAdminAcc : Form
    {
        
        public frmAdminAcc()
        {
            InitializeComponent();
            DisplayData();
        }
        string ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Application.StartupPath + "\\Data_Base.mdb";
        
        OleDbCommand cmd;
        OleDbDataAdapter adapt;
        int ID = 0;



        //Display Data in DataGridView  
        private void DisplayData()
        {
            OleDbConnection con = new OleDbConnection(ConnectionString);
            con.Open();
            DataTable dt = new DataTable();
            adapt = new OleDbDataAdapter("select * from Account", con);
            adapt.Fill(dt);
            dataGridView1.DataSource = dt;
            dataGridView1.Columns[0].Name = "ID";
            dataGridView1.Columns[1].Name = "A_user";
            dataGridView1.Columns[2].Name = "A_pass";
            dataGridView1.Columns[3].Name = "A_name";
            dataGridView1.Columns[4].Name = "A_access";
            dataGridView1.Columns[5].Name = "A_pic";
            dataGridView1.Columns[6].Name = "A_event";

            dataGridView1.Columns[0].Width = 80;
            dataGridView1.Columns[1].Width = 140;

            dataGridView1.Columns[0].HeaderText = "شماره ثبت";
            dataGridView1.Columns[1].HeaderText = "نام کاربری";
            dataGridView1.Columns[2].HeaderText = "رمز عبور";
            dataGridView1.Columns[3].HeaderText = "نام";
            dataGridView1.Columns[4].HeaderText = "دسترسی";
            dataGridView1.Columns[5].HeaderText = "تصویر";
            dataGridView1.Columns[6].HeaderText = "یادداشت";
            con.Close();

        }
        //Clear Data  
        private void ClearData()
        {
            txtUsername.Text = "";
            txtPass.Text = "";
            txtName.Text = "";
            comboAccess.Text = "";
            txtEvent.Text = "";
            pictureBox1.Image = null;
            ID = 0;
        }
        //dataGridView1 RowHeaderMouseClick Event  
        private void dataGridView1_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            
        }
        private void button4_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void frmAdminAcc_Load(object sender, EventArgs e)
        {
            DisplayData();
            ImageConverter converter = new ImageConverter();
            
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            if (txtUsername.Text != "" && txtPass.Text != "")
            {
                OleDbConnection con = new OleDbConnection(ConnectionString);
                cmd = new OleDbCommand("Insert Into Account (A_user,A_pass,A_name,A_access,A_pic,A_event) Values (@1,@2,@3,@4,@5,@6)", con);
                con.Open();
                cmd.Parameters.AddWithValue("@1", txtUsername.Text);
                cmd.Parameters.AddWithValue("@2", txtPass.Text);
                cmd.Parameters.AddWithValue("@3", txtName.Text);
                cmd.Parameters.AddWithValue("@4", comboAccess.Text);
                cmd.Parameters.AddWithValue("@5", ImageToByte(pictureBox1.Image));
                cmd.Parameters.AddWithValue("@6", txtEvent.Text);
                cmd.ExecuteNonQuery();
                con.Close();
                MessageBox.Show("Record Inserted Successfully");
                BindGrid();
                ClearData();
            }
            else
            {
                MessageBox.Show("Please Provide Details!");
            }


        }
        public static byte[] ImageToByte(Image img)
        {
            ImageConverter converter = new ImageConverter();
            return (byte[])converter.ConvertTo(img, typeof(byte[]));
        }



        void BindGrid()
        {
            dataGridView1.AutoGenerateColumns = false;
            OleDbConnection con = new OleDbConnection(ConnectionString);
            string query = "Select * From Account";
            OleDbDataAdapter da = new OleDbDataAdapter(query, con);
            DataSet ds = new DataSet();
            da.Fill(ds);
            dataGridView1.DataSource = ds.Tables[0].DefaultView;
            foreach (DataGridViewRow row in dataGridView1.Rows)
            {
                
            }
        }



        private void dataGridView1_RowHeaderMouseClick_1(object sender, DataGridViewCellMouseEventArgs e)
        {
           

            ID = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells[0].Value.ToString());
            txtUsername.Text = dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString();
            txtPass.Text = dataGridView1.Rows[e.RowIndex].Cells[2].Value.ToString();
            txtName.Text = dataGridView1.Rows[e.RowIndex].Cells[3].Value.ToString();
            comboAccess.Text = dataGridView1.Rows[e.RowIndex].Cells[4].Value.ToString();
            pictureBox1.Image = GetDataToImage((byte[])(dataGridView1.Rows[e.RowIndex].Cells[5].Value));
            txtEvent.Text = dataGridView1.Rows[e.RowIndex].Cells[6].Value.ToString();


        }
        public Image GetDataToImage(byte[] pData)
        {
            try
            {
                ImageConverter imgConverter = new ImageConverter();
                return imgConverter.ConvertFrom(pData) as Image;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return null;
            }
        }
        private void btnSelectPic_Click(object sender, EventArgs e)
        {
            OpenFileDialog op = new OpenFileDialog();
            if (op.ShowDialog() == DialogResult.OK)
            {
                txtImage.Text = op.SafeFileName;
                pictureBox1.ImageLocation = op.FileName;
            }
        }

        private void btnDelete_Click(object sender, EventArgs e)
        {
            OleDbConnection OleDbConnection1 = new OleDbConnection(ConnectionString);
            OleDbCommand OleDbCommand1 = new OleDbCommand();
            OleDbCommand1.CommandType = CommandType.Text;
            
            OleDbCommand1.Connection = OleDbConnection1;
            OleDbCommand1.CommandType = CommandType.Text;
            OleDbCommand1.CommandText = "DELETE FROM Account WHERE ID=" + ID;
            OleDbConnection1.Open();
            int result = OleDbCommand1.ExecuteNonQuery();

            OleDbConnection1.Close();

            if (result > 0)
            {
                MessageBox.Show("کاربر مورد نظر با موفقیت حذف شد");
                BindGrid();
            }
            else
            {
                MessageBox.Show("خطا در حذف کاربر");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            txtUsername.Text = "";
            txtPass.Text = "";
            txtName.Text = "";
            txtEvent.Text = "";
            pictureBox1.Image = null;
        }
       
        private void btnUpdate_Click(object sender, EventArgs e)
        {

           try 
            {
                OleDbConnection con = new OleDbConnection(ConnectionString);
                cmd = new OleDbCommand("UPDATE Account SET A_user=@user,A_pass=@pass,A_name=@name,A_access=@access,A_event=@event where ID=@ID", con);
               
                cmd.Parameters.AddWithValue("@ID", ID);
                cmd.Parameters.AddWithValue("@user", txtUsername.Text);
                cmd.Parameters.AddWithValue("@pass", txtPass.Text);
                cmd.Parameters.AddWithValue("@name", txtName.Text);
                cmd.Parameters.AddWithValue("@access", comboAccess.Text);
                cmd.Parameters.AddWithValue("@event", txtEvent.Text);

                con.Open();
                cmd.ExecuteNonQuery();
                MessageBox.Show("Record Updated Successfully");
                con.Close();
                DisplayData();
                ClearData();
            }
            catch
            {
                MessageBox.Show("Please Select Record to Update");
            }
            



        }


    }
}

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